Underfolio

Every trading day › 2008

The stock market on October 23, 2008

October 23, 2008, a Thursday. The S&P 500 rose 1.26% to close at 908.11. Of 4,559 US stocks that traded, 1,391 rose and 2,945 fell.

The S&P 500+1.26%closed at 908.11
How big a move#4,187of 24,799 trading days since 1928
$100 in the index since$848price only, to September 24, 2026
Stocks that rose1,391of 4,559; 2,945 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

Diamond Offshore Drilling (DO)+14.5%
Marathon Oil (MRO)+12.0%
Amgen (AMGN)+11.8%

Biggest falls among the 500 largest companies

Las Vegas Sands (LVS)-29.9%
Covance Inc (CVD)-21.1%
Leucadia National (LUK)-20.7%

Stock moves count dividends; the index is price only. Market values after 2024 are estimates.

‹ October 22, 2008 · Every October 23 · October 24, 2008 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.